test: adjust output to current stable

By keeping a changeset visible longer, the `tip` is no longer at location it was
previously. This is harmess for the test itself.


CORE-TEST-OUTPUT-UPDATE: aaeccdb6e654

--HG--
branch : stable
7 jobs for topic/stable/ci-stable-fix in 5 minutes and 49 seconds
Status Job ID Name Coverage
  Test
passed doc #105506

00:00:27

passed flake8 #105500

00:00:30

manual pytype #105501
allowed to fail manual
passed tests-py2-cext #105502

00:05:43

passed tests-py2-pure #105503

00:03:27

passed tests-py3-cext #105504

00:05:21

passed tests-py3-pure #105505

00:03:06